Gas-generator



H. M. SMITH.

GAS GENERATOR.

Awucmon mw my 19. ma.

1,349,923. Paf/@M011 Allg 17, 1920.

,4 TTORNE Y UNITED STATES PATENT OFFICE.

HARRY M. SMITH, OF DALY CITY, CALIFORNIA, ASSIGNOR T0 THE COLMAR BURNER COM'PANY, OF SAN FRANCISCO, CALIFORNIA, A CORPORATION OF CALIFORNIA.

GAS-GENERATOR.

Specification of Letters Patent.

Patented Aug. 17, 1920.

Application filed May 19, 1919. Serial No. 298,006.

To aN 'whom 'it may concern:

Bc it known that L'Hannr M. SMITH, a citizen of the 'United States, residing at Daly City, in the county ol San Mateo and State oit California, have invented new and useful Improvements in Gas-Generators, oi" which the following is a specification.

My invention relates more specifically to a device adapted to be secured to a hydrocarbon generator for removing the carbon deposits formed therein during the operation.

A main object ot my invention is to provide a simple mechanism designed to be secured to the valve red of a tubular hydrocarbon generator', whereby the interior survlace oi the tubular member may be effectually freed ot carbon deposits formed during its operation.

A further object ot my invention is to provide a carbon removing means for hydrocarbon generators of the tubular type that l will permit of a flow of fuel .from one end to another during its operation.

A further object of my invention 'is to provide a carbon cleaning or removing device llor hydro-carbon generators that will retard the flow of fuel passing through the generator, in order that the liquid fuel may be completely gasiiied.

A still further object of my invention is to provide a resilient cleaning device for hydro-carbon generators, whereby the device will always be forced into contact with the interior surface of the generator tube.

Furtlier objects and advantages will appear from the following description, reference being had to the accompanying drawings forming a part thereof' in which Figure 1 is a longitudinal section through a hydro-carbon generator showing my cleaning device attached thereto.

Fig. 2 is a transverse section through the generator inlet valve taken on the line 2-2 of Fig. 1.

Fig. 3 is an enlarged iragrnental longitudinal section illustratingr the method of securing the carbon cleaning means to the generator.

Referring more specifically to the drawing1 5 designates the ripper portion of a hydro-carbon burner provided with flame4 slots G. which are adapted to direct the Haines from the burner against the generator' during its operation.

My improved generator preferably consists oi a cylindrical tube 7 formed ol steel or other suitable material and provided on its outlet end with a plug 8 having a centrally disposed gas outlet orifice 9, the said orifice at its outlet end being enlarged and interiorly threaded for the reception of a detachable burner tip (not shown). The rear end of plug S is of reduced diameter and is provided with a centrally disposed threaded bore 10, which bore is engaged by the outer end l1 of the generator valve operating rod l2. The cxtreme outer end of valve operating rod l2 is provided with a needle valve closure 13, the end being of conical forni and seating within the inlet end ol`: the gas outlet orifice 9.

The rear endet` valve rod 12 is provided on its periphery with a helical groove l5, semi-circular in cross section, and extending to the rear end of the generator valve rod, as clearly shown in Fig. 1 of the drawing. Valve rod 12 is provided with the usual operatingr handle 1G, the inner end of said rod passing through a packing box construction 17 of usual iorm formed on the outer end ol" a fuel .inlet fitting 18. Fitting 18 is provided with a fuel inlet bore 19 in which is secured a needle valve construction 20 that controls the flow of fuel to the generator from a source of supply (not shown).

Mounted in the helical groove 15 formed in the generator valve rod, is a coiled spring 21 preferably formed of a resilient wire, the ends 22 of said spring being secured to the valve rod in any suitable manner, such as by passing its ends 22 through transverse bores, as clearly shown in Fig. 3 of the drawings.

The upper edges of the coiled spring 21 contact with the interior peripheral surface of the generator tube 7, as clearly shown in Figs. 1 and 3 of the drawings. By means of this construction it will be at once apparent that each individual coil of the spring 21 will be 'forced by its resilient action against the interior surface of the generator tube, and that when the valve rod is rotated back and forth within the tube a scraping action will result.

It will be. further observed that by the employment of a coiled spring that While the fuel will flow from the inlet end in u. substantially direct line to the discharge outlet, the coils of the spring will have a retarding effect on the fuel, and thus permit an almost instantaneous conversion of the fuel inte combustible gases.

From the above description it will be seen that hy providing the valve rod with a resilient coiled spring mounted in the helical groove, that on a rotation oil the same all earhon deposits formed on the interior surface of the generator tube during its operation will he eii'eetually removed therefrom, thue insuring a perfect generation of gases from the fuel, and preventing any clogging action of the generator.

What l elaini is:

L lu a hydro-carbon generator construetion, a generator easing having a fuel inlet port leading thereto and a vapor outlet port leading therefrom, a valve closure rod mounted in said easing and Controlling the vapor outlet port, and means mounted on said rod and contacting with the interior surface of said easing to `free the saine of foreign matter adhering thereto, said means also permitting the fuel to flow in a substantially direct line from the inlet end of said easing to the vapor outlet port, said means tending to retard the {iow of fuel through said easing.

2. In a hydro-carbon generator construe- 0 tion, a generator easing having a fuel inlet port leading thereto and a vapor outlet leading therefrom, a valve closure rod mounted in Said easing and controlling the vapor outlet port, and a spring Wound around said rod, the oeils of said spring contacting with the interior snriaee of said generatoreasing to free the same of foreign matter deposited therein on a rotation of the rod, the coils of said spring having a retarding eil'eet upon the fiow of fuel from the inlet port to the vapor discharge outlet, wherey to completely vaporize the fuel into a combustible gas.

3. In a hydro-carbon generator construetion, a generator easing having 'a fuel inlet port leading thereto and a vapor outlet port leading therefrom, a valve closure rod mounted in said easing and controlling said vapor outlet port, seid valve rod having a peripheral groove arranged in a helical term, a coiled spring mounted in said groove, the ends et Said spring being secured to said rod, the peripheral Surface of the coils of said spring contacting with the interior eurlaee of the generator casing, and means to operate said rod, whereby on a rotation thereof the spring coils; will free the interior surface of said easing of foreign matter.

In witness that I elaiin the foregoing I have hereunto subscribed my name this 10th day of May, 1919.

HARRY M. SMTH. 

